import java.util.Scanner;

public class maidan {
    public static void main(String[]asgs){
        Scanner in = new Scanner(System.in);
        System.out.println("请输入金额");
        double money = in.nextDouble();
        System.out.println("请输入折扣率");
        double zhekou = in.nextDouble();
        System.out.println("结账金额:"+money*zhekou);
    }
}
